https://www.ecfr.gov/current/title-8/chapter-I/subchapter-B/part-214/subpart-A/section-214.3
(2) Reporting changes in student and school information.
(i) Schools must update SEVIS with the current information within 21 days of a change in any of the information contained in paragraphs (f)(1) and (h)(3) of this section.
(ii) Schools are also required to report within 21 days any change of the information contained in paragraph (g)(1) or the occurrence of the following events:
(A) Any student who has failed to maintain status or complete his or her program;
(B) A change of the student's or dependent's legal name or U.S. address;
(C) Any student who has graduated early or prior to the program end date listed on SEVIS Form I-20;
(D) Any disciplinary action taken by the school against the student as a result of the student being convicted of a crime; and
(E) Any other notification request not covered by paragraph (g)(1) of this section made by DHS with respect to the current status of the student.
(F) For F-1 students authorized by USCIS to engage in a 24-month extension of OPT under 8 CFR 214.2(f)(10)(ii)(C):
(1) Any change that the student reports to the school concerning legal name, residential or mailing address, employer name, or employer address; and
(2) The end date of the student's employment reported by a former employer in accordance with 8 CFR 214.2(f)(10)(ii)(C)(6).
